>What would happen if the mice escaped the facility, and bite other animals or humans Genes don't typically transfer that way. Except for extraordinary circums

>What would happen if the mice escaped the facility, and bite other animals or humans Genes don't typically transfer that way. Except for extraordinary circumstances where the disease is caused by some sort of virus, getting bit by someone with hemophilia or cystic fibrosis or down syndrome isn't going to give you the disease. >or breed with 'normal' mice It's not impossible for this to happen, but in general these mice have been bred for generations in a lab environment where they are provided with food and water without having to find it on their own. The world is already a harsh place for a normal mouse that is well adapted to it, so if you add in a "soft" mouse with some sort of debilitating genetic disorder, I wouldn't worry too much about it taking over the world.